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WILLIAM SYKES, OF NEWTON LOWER FALLS, MASSACHUSETTS.

Letters Patent No. 72,563, dated December 24, 1867.

IMPROVED MODE OF REMOVING BURRS FROM WOOL;

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TO ALL WHOM IT MAY CONCERN:

Be it known that I, WILLIAM Suites, of Newton Lower Falls, in the countyof Middlescx, and State of Massachusetts, have invented a new andimproved Process for Removing Burrs andother Vegetable Matter fromWools; and that the following description forms a full and exactspecification of the same, wherein I have set forth the nature andprinciples-oi my said improvements, by which my invention may bedistinguished from all others of a similar class, together with suchparts as I claim, and desire to have secured to me by Letters Patent.-

This invention relates to a modification and improvement of a processfor removing burrs and vegetable matter or substances from wools, forwhich Letters Patent were granted to me, bearing date July 10, 1866.

Theobject of the present invention is to save the labor of washing andone drying, which canbe done in 1 the manufacture of certain kinds ofgoods, and to simplify and economize the process formerly patented byme.

The wool is soaked in a solution of sulphuric acid from two totwenty-four hours, (with or without heat,) marking from 2 (two) to 10(ten) degrees Twaddles hydrometer, according to the condition of thewool. After the wool is taken from the acid solution and dried, it isthen, for the manufacture of certain kinds of goods,

dyed direct, which saves the labor of washing and one drying. If thewool be washed in lime or other water after drying, as in the originalprocess, it will of course be suitable stock for any woollenmanufacture.

I do not claim broadly the cleaning of wool or depriving it of burrs,and other vegetable matter by plunging it in an acidulous solution, forthat has been previously patented by me; but

I do claim as new, and desire to secure by Letters Patent- The immediatedyeing of the wool after the same is taken from the acidulous solution,and either previous to or after the drying of the wool, substantially asset forth.

WILLIAM SYKES.

Witnesses:

LUTHER E. LELAND,

Moses GARFIELD.

